FROST and FROST-SOP: A Two-Tier Open Source Framework for Building AI Agents

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A developer has released two complementary open source projects aimed at helping engineers understand and build AI agent systems. FROST is a minimal 500-line teaching framework that breaks down agent architecture into four core components: Store, Skill, Agent, and SOP. Its companion project, FROST-SOP, expands on these concepts with over 5,000 lines of production-ready code, featuring a three-tier recursive agent hierarchy, an async event bus, and dual frontend interfaces. The two projects are designed to serve different purposes — FROST for learning and concept validation, FROST-SOP for real-world application development. Both are hosted on Gitee and are available under open source licenses.

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